Top answers


State whether arteries carry blood towards or away from the heart and then give two features of arteries relating to this role

Arteries carry blood away from the heart. Thy have thicker walls.They have more/thicker muscle tissue.They have a narrower bore/lumen.
AN
Answered by Alexander N. Biology tutor
2490 Views

What does the hormone insulin do?

It is produced by the pancreas, it acts on cells in the liver to stimulate the uptake of glucose from the blood, and its conversion to glycogen.
SI
Answered by Sufyaan I. Biology tutor
2764 Views

Explain the process of osmosis and give an example of where this occurs (5 marks).

Osmosis is the diffusion of water molecules (1 mark) from a region of high particle concentration (1 mark) to a region of low particle concentration (1 mark), through a partially permeable membrane (1 mark)....
EW
Answered by Emily W. Biology tutor
8008 Views

Evaluate the pros and cons of breastfeeding.

(This is an 'evaluate' questions, which means just listing the pros and cons may not be enough, you should attempt to give a short explanation as to why breastfeeding is beneficial and why it may have downsi...
SL
Answered by Simone L. Biology tutor
2949 Views

What are the three components required for photosynthesis?

Carbon dioxide, water and sunlight
DA
Answered by Dylan A. Biology tutor
2759 Views